Triple DES Encrypt/Decrypt
Encrypt and decrypt text locally using Triple DES (3DES-CBC) with a passphrase. Nothing leaves your browser.
Plaintext
Passphrase
Encrypted (Base64, OpenSSL-compatible)
Encrypted input
Passphrase
Decrypted text
Encryption runs locally in your browser. Secrets never leave this page.
Triple DES
Uses 3DES in CBC mode with PKCS#7 padding for compatibility.
Passphrase based
Derives key/IV from your passphrase (OpenSSL-compatible format).
Offline & private
All operations run locally in your browser. Nothing is sent or stored.